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15
Math.TechQA.Club
2026-05-10 14:05:59
106
Views
Cauchy completion of transfinite "rationals"
Published on
10 May 2026 - 14:05
#order-theory
#ordinals
#complete-spaces
#ordered-fields
#surreal-numbers
914
Views
Does the complex field with dictionary order have the least-upper-bound property?
Published on
11 Apr 2026 - 21:23
#real-analysis
#ordered-fields
178
Views
Total ordering of pure imaginary numbers
Published on
10 Apr 2026 - 8:09
#complex-numbers
#ordered-fields
59
Views
Is the class of reducts of ordered fields axiomatizable?
Published on
12 Apr 2026 - 3:24
#field-theory
#model-theory
#ordered-fields
703
Views
Dedekind and Cauchy completeness
Published on
14 Apr 2026 - 10:19
#real-numbers
#complete-spaces
#ordered-fields
72
Views
What makes the reals a small set?
Published on
12 Apr 2026 - 23:58
#soft-question
#real-numbers
#ordered-fields
69
Views
The discriminant of positive definite binary quadratic forms in partially ordered rings
Published on
10 Apr 2026 - 20:41
#real-analysis
#logic
#ring-theory
#order-theory
#ordered-fields
182
Views
Show that there are two total orderings of $\textbf{Q}(\sqrt{2})$ under which it is an ordered field.
Published on
13 Apr 2026 - 1:39
#real-analysis
#linear-algebra
#solution-verification
#ordered-fields
45
Views
Fields non-trivially seen to be isomorphic to the real numbers by the uniqueness of a complete ordered field
Published on
14 Apr 2026 - 23:05
#real-analysis
#abstract-algebra
#field-theory
#complete-spaces
#ordered-fields
137
Views
Is there an ordered field with distinct subfields isomorphic to the reals?
Published on
13 Apr 2026 - 14:54
#abstract-algebra
#field-theory
#real-numbers
#ordered-fields
289
Views
How to prove: Any positive real number power of positive real number is positive.
Published on
12 Apr 2026 - 15:47
#ordered-fields
145
Views
Isomorphism of hyperreal fields viewed as extensions of the real field
Published on
14 Apr 2026 - 14:48
#logic
#field-theory
#model-theory
#nonstandard-analysis
#ordered-fields
28
Views
Ordered Field with BW Property but not having LUB property
Published on
13 Apr 2026 - 21:13
#ordered-fields
138
Views
Why is $-1>0$ not enough?
Published on
14 Apr 2026 - 8:25
#complex-numbers
#ordered-fields
1.2k
Views
How Can You Define Successors Over The reals?
Published on
11 Apr 2026 - 9:01
#elementary-set-theory
#real-numbers
#ordered-fields
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